Home / 19,835.72-27,373.14-11,456.84

Finding the Fourth Proportional to 19,835.72, 27,373.14 and 11,456.84

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Solution

The fourth proportional to 19,835.72, 27,373.14 and 11,456.84 is: 15,810.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,835.72 : 27,373.14 = 11,456.84 : x
  2. Step 2: Convert to fraction form
    19,835.72/27,373.14 = 11,456.84/x
  3. Step 3: Cross multiply
    19,835.72x = 27,373.14 × 11,456.84
  4. Step 4: Simplify right side
    19,835.72x = 313,609,685.28
  5. Step 5: Solve for x
    x = 313,609,685.28/19,835.72
  6. Step 6: Final answer
    x = 15,810.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.